feat: added Gradle plugin

plugins/gradle/README.md

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+# Gradle plugin
+
+This plugin adds completions and aliases for [Gradle](https://gradle.org/).
+
+To use it, add `gradle` to the plugins array in your bashrc file:
+
+```bash
+plugins=(... gradle)
+```
+
+## Usage
+
+This plugin creates a function called `gradle-or-gradlew`, which is aliased
+to `gradle`, which is used to determine whether the current project directory
+has a gradlew file. If `gradlew` is present it will be used, otherwise `gradle`
+is used instead. Gradle tasks can be executed directly without regard for
+whether it is `gradle` or `gradlew`. It also supports being called from
+any directory inside the root project directory.
+
+Examples:
+
+```bash
+gradle test
+gradle build
+```

plugins/gradle/gradle.plugin.sh

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+#! bash oh-my-bash.module
+
+function gradle-or-gradlew() {
+ # find project root
+ # taken from https://github.com/gradle/gradle-completion
+ local dir="$PWD" project_root="$PWD"
+ while [[ "$dir" != / ]]; do
+ if [[ -x "$dir/gradlew" ]]; then
+ project_root="$dir"
+ break
+ fi
+ dir="${dir:h}"
+ done
+
+ # if gradlew found, run it instead of gradle
+ if [[ -f "$project_root/gradlew" ]]; then
+ echo "executing gradlew instead of gradle"
+ "$project_root/gradlew" "$@"
+ else
+ command gradle "$@"
+ fi
+}
+
+alias gradle=gradle-or-gradlew