Improve Bazel support: Switch to Bzlmod

.gitignore

@@ -44,3 +44,6 @@
 /.build
 
 /tools/astyle/venv/
+
+# Bazel-related
+MODULE.bazel.lock

BUILD.bazel

@@ -1,3 +1,20 @@
+load("@rules_cc//cc:cc_library.bzl", "cc_library")
+load("@rules_license//rules:license.bzl", "license")
+
+package(
+    default_applicable_licenses = [":license"],
+)
+
+exports_files([
+    "LICENSE.MIT",
+])
+
+license(
+    name = "license",
+    license_kinds = ["@rules_license//licenses/spdx:MIT"],
+    license_text = "LICENSE.MIT",
+)
+
 cc_library(
     name = "json",
     hdrs = [
@@ -40,6 +57,7 @@ cc_library(
         "include/nlohmann/detail/output/serializer.hpp",
         "include/nlohmann/detail/string_concat.hpp",
         "include/nlohmann/detail/string_escape.hpp",
+        "include/nlohmann/detail/string_utils.hpp",
         "include/nlohmann/detail/value_t.hpp",
         "include/nlohmann/json.hpp",
         "include/nlohmann/json_fwd.hpp",
@@ -50,3 +68,12 @@ cc_library(
     includes = ["include"],
     visibility = ["//visibility:public"],
 )
+
+cc_library(
+    name = "singleheader-json",
+    hdrs = [
+        "single_include/nlohmann/json.hpp",
+    ],
+    includes = ["single_include"],
+    visibility = ["//visibility:public"],
+)

MODULE.bazel

@@ -0,0 +1,7 @@
+module(
+    name = "nlohmann_json",
+    compatibility_level = 1,
+)
+
+bazel_dep(name = "rules_cc", version = "0.0.17")
+bazel_dep(name = "rules_license", version = "1.0.0")

docs/mkdocs/docs/integration/bazel/MODULE.bazel

@@ -0,0 +1 @@
+bazel_dep(name = "nlohmann_json", version = "3.11.3.bcr.1")