actions(ci/cd): Add release and sync workflows

.lune/read_version.luau

@@ -0,0 +1,80 @@
+--!strict
+local fs = require("@lune/fs")
+local serde = require("@lune/serde")
+
+type environment = "luau" | "lune" | "roblox" | "roblox_server"
+type pesde_dependency = {
+	name: string,
+	version: string,
+	index: string?,
+	target: environment?,
+} | {
+	wally: string,
+	version: string,
+	index: string?,
+} | {
+	repo: string,
+	rev: string,
+	path: string?,
+}
+
+type pesde_manifest = {
+	name: string,
+	version: string,
+	description: string?,
+	license: string?,
+	authors: { string }?,
+	repository: string?,
+	private: boolean?,
+	includes: { string }?,
+	pesde_version: string?,
+	workspace_members: { string }?,
+
+	target: {
+		environment: environment,
+		lib: string,
+		bin: string?,
+		build_files: { string }?,
+	},
+
+	scripts: {
+		roblox_sync_config_generator: string?,
+		sourcemap_generator: string?,
+
+		[string]: string,
+	}?,
+
+	indices: {
+		default: string,
+
+		[string]: string,
+	},
+	wally_indices: {
+		default: string,
+
+		[string]: string,
+	}?,
+
+	overrides: {
+		[string]: pesde_dependency,
+	}?,
+	patches: {
+		[string]: { [string]: string },
+	}?,
+
+	dependencies: {
+		[string]: pesde_dependency,
+	}?,
+	peer_dependencies: {
+		[string]: pesde_dependency,
+	}?,
+	dev_dependencies: {
+		[string]: pesde_dependency,
+	}?,
+}
+
+local manifest_contents = fs.readFile("pesde.toml")
+local manifest: pesde_manifest = serde.decode("toml", manifest_contents) or error("Couldn't decode manifest.")
+local jecs_version = manifest.version
+
+print(jecs_version)