Upgrade to OPENRNDR 0.4 snapshot

orx-jvm/orx-file-watcher/README.md

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+# orx-file-watcher
+
+Monitor files on disk and auto-reload them if they change.
+
+## Usage
+
+Monitoring a single file.
+
+```kotlin
+application {
+    program {
+        val watchedText = watchFile(File("someFile.txt")) {
+            it.readText()
+        }
+        extend {
+            val theText = watchedText()
+        }
+    }
+}
+```
+
+Making a map of monitored files.
+
+```kotlin
+application {
+    program {
+        val watchedTexts = mutableMap<String, ()->String>()
+         watchedTexts["text"] = watchFile(File("someFile.txt")) {
+            it.readText()
+         }
+
+        extend {
+            val theText = watchedTexts.getValue("text")()
+        }
+    }
+}
+```