fix codestyle, add editorconfig, align with vala-lint

.editorconfig

@@ -0,0 +1,10 @@
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+
+[*.vala]
+indent_style = space
+indent_size = 4
+charset = utf-8

.gitignore

@@ -1,2 +1,3 @@
 /build
 /yggtk
+*\#*

main.vala

@@ -47,17 +47,17 @@ int main (string[] args) {
 
         status.notify["active"].connect (() => {
 
-			if (status.get_active()) {
+                if (status.get_active ()) {
 
-				start();
+                    start ();
 
                 } else {
 
-				stop();
+                    stop ();
 
                 }
 
-			check_status(status);
+                check_status (status);
 
         });
 
@@ -65,7 +65,7 @@ int main (string[] args) {
 
         yggtk.clicked.connect (() => {
 
-			update();
+                update ();
 
         });
 
@@ -93,7 +93,9 @@ int download () {
 
         if (pm == "Cannot run program pacman: No such file or directory\n") {
 
-			Process.spawn_command_line_sync ("wget https://2375-115685026-gh.circle-artifacts.com/0/yggdrasil-0.3.12-amd64.deb");
+            Process.spawn_command_line_sync (
+                "wget https://2375-115685026-gh.circle-artifacts.com/0/yggdrasil-0.3.12-amd64.deb"
+            );
             Process.spawn_command_line_sync ("pkexec dpkg -i yggdrasil-0.3.12-amd64.deb");
 
         }
@@ -111,9 +113,11 @@ int download () {
 }
 
 string mktempdir () throws Error {
+
     string temp_dir = null;
-    Process.spawn_command_line_sync("mktemp -d", out temp_dir);
+    Process.spawn_command_line_sync ("mktemp -d", out temp_dir);
     return temp_dir.strip ();
+
 }
 
 int update () {
@@ -122,7 +126,6 @@ int update () {
 
         unowned string repo_url = Environment.get_variable ("YGG_UPDATE_REPO");
         string temp_dir = mktempdir ();
-        string command = null;
 
         if (repo_url == null) {
             repo_url = "https://git.macaw.me/plant_1312/Yggtk.git";