add opentelemetry extension support (#593)

* add opentelemetry extension support

* config sort

* cleanup build args

* Update docs

* Adjust custom extension overrides for opentelemetry

* Add tests

* Update README.md and remove windows limitation

* Fix windows static build for opentelemetry

---------

Co-authored-by: crazywhalecc <jesse2061@outlook.com>

config/ext.json

@@ -445,6 +445,13 @@
             "zlib"
         ]
     },
+    "opentelemetry": {
+        "support": {
+            "BSD": "wip"
+        },
+        "type": "external",
+        "source": "opentelemetry"
+    },
     "parallel": {
         "support": {
             "BSD": "wip"

config/source.json

@@ -683,6 +683,16 @@
             "path": "LICENSE.txt"
         }
     },
+    "opentelemetry": {
+        "type": "url",
+        "url": "https://pecl.php.net/get/opentelemetry",
+        "path": "php-src/ext/opentelemetry",
+        "filename": "opentelemetry.tgz",
+        "license": {
+            "type": "file",
+            "path": "LICENSE"
+        }
+    },
     "parallel": {
         "type": "url",
         "url": "https://pecl.php.net/get/parallel",