텍스트 유사도 검사 기능 추가

package-lock.json

@@ -11,6 +11,7 @@
       "dependencies": {
         "jsonpath": "^1.1.1",
         "psd": "^3.4.0",
+        "string-similarity": "^4.0.4",
         "xlsx": "^0.18.5",
         "xmldom": "^0.6.0",
         "xpath": "^0.0.34"
@@ -322,6 +323,13 @@
         "escodegen": "^1.8.1"
       }
     },
+    "node_modules/string-similarity": {
+      "version": "4.0.4",
+      "resolved": "https://registry.npmjs.org/string-similarity/-/string-similarity-4.0.4.tgz",
+      "integrity": "sha512-/q/8Q4Bl4ZKAPjj8WerIBJWALKkaPRfrvhfF8k/B23i4nzrlRj2/go1m90In7nG/3XDSbOo0+pu6RvCTM9RGMQ==",
+      "deprecated": "Package no longer supported. Contact Support at https://www.npmjs.com/support for more info.",
+      "license": "ISC"
+    },
     "node_modules/type-check": {
       "version": "0.3.2",
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.3.2.tgz",