Lint docs

Author: cicnavi

README.md

@@ -7,7 +7,7 @@ The library provides some common tools that you might find useful when working w
 
 > The library is under development, and you can expect braking changes along the way.
 
-```
+```text
 /*
  *
  *       |   
@@ -21,5 +21,3 @@ The library provides some common tools that you might find useful when working w
 ```
 
 To get started, refer to [library documentation](docs/1-openid.md).
-
-

docs/2-installation.md

@@ -1,7 +1,7 @@
-## OpenID Tools Library Installation
+# OpenID Tools Library Installation
 
 Library can be installed by using Composer:
 
 ```shell
 composer require simplesamlphp/openid
-```
+```

docs/3-federation.md

@@ -1,4 +1,4 @@
-## OpenID Federation Tools (draft 44)
+# OpenID Federation Tools (draft 44)
 
 To use it, create an instance of the class `\SimpleSAML\OpenID\Federation`.
 
@@ -62,7 +62,7 @@ class Test
 }
 ```
 
-### Trust chain resolver
+## Trust Chain Resolver
 
 Once you have a `\SimpleSAML\OpenID\Federation` instantiated, you can continue
 with using available tools. The first tool we will take a look at is the Trust
@@ -159,7 +159,7 @@ if (is_null($metadata)) {
 If getting metadata results in an exception, the metadata is considered invalid
 and is to be discarded.
 
-### Additional verification of signatures
+## Additional Verification of Signatures
 
 The whole trust chain (each entity statement) has been verified using public
 keys from JWKS claims in configuration / subordinate statements. As per
@@ -196,7 +196,7 @@ try {
 
 ```
 
-### Fetching Trust Marks
+## Fetching Trust Marks
 
 Federation tools expose Trust Mark Fetcher, which you can use to dynamically
 fetch or refresh (short-living) Trust Marks.
@@ -235,7 +235,7 @@ try {
 
 ```
 
-### Validating Trust Marks
+## Validating Trust Marks
 
 Federation tools expose Trust Mark Validator with several methods for validating
 Trust Marks, with the most common one being the one to validate Trust Mark for
@@ -284,4 +284,4 @@ try {
     return;
 }
 
-```
+```

docs/4-vci.md

@@ -1,4 +1,4 @@
-## OpenID for Verifiable Credential Issuance (OpenID4VCI) Tools
+# OpenID for Verifiable Credential Issuance (OpenID4VCI) Tools
 
 To use it, create an instance of the `\SimpleSAML\OpenID\VerifiableCredentials`
 class.