添加 RunTime相关方法与类

src/test/java/top/gtb520/java/gnu/java/utils/library/utils/runtime/RunEnvTest.java

@@ -0,0 +1,9 @@
+package top.gtb520.java.gnu.java.utils.library.utils.runtime;
+
+import static top.gtb520.java.gnu.java.utils.library.utils.runtime.RunEnv.getJarPath;
+
+class RunEnvTest {
+    public static void main() {
+        System.out.println(getJarPath());
+    }
+}