Simplify bazel xcode scripts (#1639)

platform/ios/bazel/example_config.bzl

@@ -1,3 +1,4 @@
+# Find your team ID inside a .mobileprovision file or in your keychain (Apple development: your@email -> Get Info -> Organizational Unit)
 APPLE_MOBILE_PROVISIONING_PROFILE_TEAM_ID = "TC45MCF93C"
 APPLE_MOBILE_PROVISIONING_PROFILE_NAME = "iOS Team Provisioning Profile: *"
 BUNDLE_ID_PREFIX = "com.firstnamelastname"
@@ -6,3 +7,8 @@ BUNDLE_ID_PREFIX = "com.firstnamelastname"
 # not finding a provisioning profile when building.
 # https://github.com/MobileNativeFoundation/rules_xcodeproj/blob/main/docs/bazel.md#xcodeproj-build_mode
 BUILD_MODE = "bazel"
+
+# Enter your API key for MapTiler here, if you have one.
+API_KEY = "0000000000"
+# Semantic version number to include in plist files.
+SEM_VER = "0.0.0"

platform/ios/bazel/macros.bzl

@@ -1,3 +1,5 @@
+load("//platform/ios/bazel:config.bzl", "API_KEY", "SEM_VER")
+
 def info_plist(name, base_info_plist, out, **kwargs):
     native.genrule(
         name = name,
@@ -8,13 +10,14 @@ def info_plist(name, base_info_plist, out, **kwargs):
         outs = [
             out,
         ],
-        cmd = """
+        cmd = ("""
         cp $(location {}) $@
         plutil -replace MLNCommitHash -string $$(cat $(location //:git_hash)) $@
         
-        # TODO: move to file
-        sem_version=0.0.0
+        sem_version=\"""" + SEM_VER + """\"
+        token=\"""" + API_KEY + """\"
         plutil -replace MLNSemanticVersionString -string $$sem_version $@
-    """.format(base_info_plist),
+        plutil -replace MLNApiKey -string $$token $@
+    """).format(base_info_plist),
         **kwargs
     )