Add an API version to META6.json and add a Changes file

.github/pull_request_template.md

@@ -0,0 +1,6 @@
+Checklist
+=========
+(Feel free to delete this text once you went through it.)
+
+- Did you add an entry to the `Changes` file?
+

Changes

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+Revision history for Cro::TLS
+
+{{NEXT}}
+    - Change dependency management to allow individual Cro modules to be
+      updated individually.

META6.json

@@ -1,16 +1,25 @@
 {
-    "perl"          : "6.*",
-    "name"          : "Cro::TLS",
-    "version"       : "0.8.9",
-    "auth"          : "zef:cro",
-    "description"   : "Cro pipeline components for building services that use TLS.",
-    "tags"          : [ "SSL", "TLS" ],
-    "authors"       : [ "Jonathan Worthington <[email protected]>" ],
-    "license"       : "Artistic-2.0",
-    "depends"       : [ "Cro::Core:ver<0.8.9>", "IO::Socket::Async::SSL:ver<0.7.10+>" ],
-    "provides"      : {
-        "Cro::TLS": "lib/Cro/TLS.pm6"
-    },
-    "resources": [],
-    "source-url"    : "https://github.com/croservices/cro-tls.git"
+  "name": "Cro::TLS",
+  "description": "Cro pipeline components for building services that use TLS.",
+  "version": "0.8.9",
+  "api": "0",
+  "auth": "zef:cro",
+  "perl": "6.*",
+  "authors": [
+    "Jonathan Worthington <[email protected]>"
+  ],
+  "depends": [
+    "Cro::Core:ver<0.8.9>",
+    "IO::Socket::Async::SSL:ver<0.7.10+>"
+  ],
+  "provides": {
+    "Cro::TLS": "lib/Cro/TLS.pm6"
+  },
+  "resources": [],
+  "license": "Artistic-2.0",
+  "tags": [
+    "SSL",
+    "TLS"
+  ],
+  "source-url": "https://github.com/croservices/cro-tls.git"
 }