Update config instructions for all helloworld examples

Author: aalmiray

docs/modules/examples/pages/java/binary.adoc

@@ -10,6 +10,9 @@ The https://github.com/jreleaser/helloworld-java-graalvm[] repository shows how
  * assemble distributions with JReleaser
  * create rolling early-access releases with JReleaser on every push to `main` branch
 
+IMPORTANT: JReleaser requires 2 additional inputs that may be set as environment variables, `JRELEASER_PROJECT_VERSION` and `JRELEASER_GITHUB_TOKEN`.
+More information about environment variable configuration may be found xref:reference:environment.adoc[here].
+
 There are two modes for packaging this application: classpath & modulepath.
 
 *classpath*

docs/modules/examples/pages/java/java-binary.adoc

@@ -6,6 +6,9 @@ The https://github.com/jreleaser/helloworld-java-bin[] repository shows how to c
  * assemble a zip distributions with JReleaser
  * create rolling early-access releases with JReleaser on every push to `main` branch
 
+IMPORTANT: JReleaser requires 2 additional inputs that may be set as environment variables, `JRELEASER_PROJECT_VERSION` and `JRELEASER_GITHUB_TOKEN`.
+More information about environment variable configuration may be found xref:reference:environment.adoc[here].
+
 There are two modes for packaging this application: classpath & modulepath.
 
 *classpath*

docs/modules/examples/pages/java/jlink.adoc

@@ -13,6 +13,9 @@ The https://github.com/jreleaser/helloworld-java-jlink[] repository shows how to
  * assemble zip distributions with JReleaser
  * create rolling early-access releases with JReleaser on every push to `main` branch
 
+IMPORTANT: JReleaser requires 2 additional inputs that may be set as environment variables, `JRELEASER_PROJECT_VERSION` and `JRELEASER_GITHUB_TOKEN`.
+More information about environment variable configuration may be found xref:reference:environment.adoc[here].
+
 There are two modes for packaging this application: classpath & modulepath.
 
 *classpath*

docs/modules/examples/pages/java/jpackage.adoc

@@ -10,6 +10,9 @@ The https://github.com/jreleaser/helloworld-java-jpackage[] repository shows how
  * assemble distributions with JReleaser
  * create rolling early-access releases with JReleaser on every push to `main` branch
 
+IMPORTANT: JReleaser requires 2 additional inputs that may be set as environment variables, `JRELEASER_PROJECT_VERSION` and `JRELEASER_GITHUB_TOKEN`.
+More information about environment variable configuration may be found xref:reference:environment.adoc[here].
+
 There are two modes for packaging this application: classpath & modulepath.
 
 *classpath*

docs/modules/examples/pages/java/single-jar.adoc

@@ -5,6 +5,9 @@ The https://github.com/jreleaser/helloworld-java-jar[] repository shows how to c
  * compile a helloworld app
  * create rolling early-access releases with JReleaser on every push to `main` branch
 
+IMPORTANT: JReleaser requires 2 additional inputs that may be set as environment variables, `JRELEASER_PROJECT_VERSION` and `JRELEASER_GITHUB_TOKEN`.
+More information about environment variable configuration may be found xref:reference:environment.adoc[here].
+
 There are two modes for running this application: classpath & modulepath.
 
 *classpath*

docs/modules/examples/pages/miscellaneous/ballerina.adoc

@@ -4,3 +4,6 @@ The https://github.com/jreleaser/helloworld-ballerina[] repository shows how to
 
  * compile a helloworld app
  * create rolling early-access releases with JReleaser on every push to `main` branch
+
+IMPORTANT: JReleaser requires 2 additional inputs that may be set as environment variables, `JRELEASER_PROJECT_VERSION` and `JRELEASER_GITHUB_TOKEN`.
+More information about environment variable configuration may be found xref:reference:environment.adoc[here].

docs/modules/examples/pages/miscellaneous/cpp.adoc

@@ -8,3 +8,6 @@ The link:https://github.com/jreleaser/helloworld-cpp[] repository shows the conf
    ** `windows-x86_64`
  - Assemble zip distributions with JReleaser
  - Create rolling early-access releases with JReleaser on every push to `main` branch
+
+IMPORTANT: JReleaser requires 2 additional inputs that may be set as environment variables, `JRELEASER_PROJECT_VERSION` and `JRELEASER_GITHUB_TOKEN`.
+More information about environment variable configuration may be found xref:reference:environment.adoc[here].

docs/modules/examples/pages/miscellaneous/crystal.adoc

@@ -8,3 +8,6 @@ The link:https://github.com/jreleaser/helloworld-crystal[] repository shows the
    ** `windows-x86_64`
  - Assemble zip distributions with JReleaser
  - Create rolling early-access releases with JReleaser on every push to `main` branch
+
+IMPORTANT: JReleaser requires 2 additional inputs that may be set as environment variables, `JRELEASER_PROJECT_VERSION` and `JRELEASER_GITHUB_TOKEN`.
+More information about environment variable configuration may be found xref:reference:environment.adoc[here].

docs/modules/examples/pages/miscellaneous/csharp-cross-platform.adoc

@@ -12,3 +12,6 @@ The link:https://github.com/jreleaser/helloworld-csharp[] repository shows the c
    ** `osx-arm64`
  - Assemble zip distributions with JReleaser
  - Create rolling early-access releases with JReleaser on every push to `main` branch
+
+IMPORTANT: JReleaser requires 2 additional inputs that may be set as environment variables, `JRELEASER_PROJECT_VERSION` and `JRELEASER_GITHUB_TOKEN`.
+More information about environment variable configuration may be found xref:reference:environment.adoc[here].

docs/modules/examples/pages/miscellaneous/elixir.adoc

@@ -8,3 +8,6 @@ The link:https://github.com/jreleaser/helloworld-elixir[] repository shows the c
    ** `x86_64-unknown-linux-gnu`
  - Assemble zip distributions with JReleaser
  - Create rolling early-access releases with JReleaser on every push to `main` branch
+
+IMPORTANT: JReleaser requires 2 additional inputs that may be set as environment variables, `JRELEASER_PROJECT_VERSION` and `JRELEASER_GITHUB_TOKEN`.
+More information about environment variable configuration may be found xref:reference:environment.adoc[here].