feat: Add PHP support (#1243)

* declare tree-sitter-php 0.20.0

* Declare keywords

* update documentation for php

* Update programming-languages.md

* [autofix.ci] apply automated fixes

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

crates/tabby-common/assets/languages.toml

@@ -168,3 +168,32 @@ top_level_keywords = [
     "dynamic",
     "async",
 ]
+
+
+[[config]]
+languages = ["php"]
+line_comment = "//"
+top_level_keywords = [
+    "abstract",
+    "class",
+    "const",
+    "declare",
+    "extends",
+    "final",
+    "finally",
+    "function",
+    "global",
+    "implements",
+    "include_once",
+    "include",
+    "interface",
+    "namespace",
+    "private",
+    "protected",
+    "public",
+    "require_once",
+    "require",
+    "static",
+    "trait",
+    "use",
+]

website/docs/programming-languages.md

@@ -30,6 +30,7 @@ For an actual example of an issue or pull request adding the above support, plea
 * [Java](https://www.java.com/)
 * [Kotlin](https://www.kotlinlang.org/)
 * [C/C++](https://cplusplus.com/), since v0.8.0
+* [PHP](https://www.php.net/): Since v0.8.0
 
 ## Languages Missing Certain Support
 
@@ -40,7 +41,6 @@ For an actual example of an issue or pull request adding the above support, plea
 | Haskell  |                    🚫                    |                       🚫                        |
 |  Julia   |                    🚫                    |                       🚫                        |
 |   Lua    |                    🚫                    |                       🚫                        |
-|   PHP    |                    🚫                    |                       🚫                        |
 |   Perl   |                    🚫                    |                       🚫                        |
 |  Scala   |                    🚫                    |                       🚫                        |
 |  Kotlin  |                    🚫                    |                       🚫                        |