Added Java muncher with import

Author: rimutaka

stackmuncher_lib/stm_rules/file_types/java.json

@@ -0,0 +1,8 @@
+{
+  "$schema": "https://raw.githubusercontent.com/stackmuncher/stm_app/master/stackmuncher_lib/stm_rules/schemas/file-type.json",
+  "line_endings": "unix",
+  "matches": [
+    {"muncher":"java"}
+  ]
+  
+}

stackmuncher_lib/stm_rules/munchers/java.json

@@ -0,0 +1,26 @@
+{
+  "$schema": "https://raw.githubusercontent.com/stackmuncher/stm_app/master/stackmuncher_lib/stm_rules/schemas/muncher.json",
+  "line_endings": "unix",
+  "language": "Java",
+  "bracket_only": [
+    "^\\s*[{}\\[\\]][\\s;,]*$"
+  ],
+  "line_comments": [
+    "^\\s*//\\s*.{10,}"
+  ],
+  "inline_comments": [
+    "^[.[^/\n]]+\\s//\\s.{10,}"
+  ],
+  "doc_comments": [
+    "^\\s+///\\s+.{8,}"
+  ],
+  "block_comments_start": [
+    "(?i)^\\s*/\\*"
+  ],
+  "block_comments_end": [
+    "(?i)\\*/\\s*$"
+  ],
+  "refs": [
+    "^[[:blank:]]*import[[:blank:]]+(?:static[[:blank:]]+)?([A-Za-z0-9_\\.]+)"
+  ]
+}