embed the extension inside the application, write it out if it's not present.

.gitignore

@@ -0,0 +1,4 @@
+I2P-Configuration-for-Chromium
+i2pchromium.exe
+i2pchromium-darwin
+i2pchromium

Makefile

@@ -0,0 +1,5 @@
+
+all:
+	GOOS=windows go build -o i2pchromium.exe
+	GOOS=darwin go build -o i2pchromium-darwin
+	GOOS=linux go build -o i2pchromium

main.go

@@ -36,7 +36,7 @@ func main() {
 		log.Println("Extension error, embedded extension not read.")
 	} else {
 		if _, err := os.Stat("i2pchrome.js"); os.IsNotExist(err) {
-			os.MkdirAll("i2pchrome.js", os.ModePerm)
+			os.MkdirAll("i2pchrome.js", FS.Mode())
 			for _, val := range embedded {
 				//log.Println(val.Name())
 				ioutil.WriteFile("i2pchrome.js"+val.Name(), val.Sys().([]byte), val.Mode())