feat: 添加前端环境文件

fit2cloud-view/.editorconfig

+# https://editorconfig.org
+root = true
+
+[*]
+charset = utf-8
+indent_style = space
+indent_size = 2
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.md]
+insert_final_newline = false
+trim_trailing_whitespace = false

fit2cloud-view/.env.development

+# just a flag
+ENV = 'development'
+
+# base api, e.g., '/dev'
+VUE_APP_BASE_API = ''

fit2cloud-view/.env.production

+# just a flag
+ENV = 'production'
+
+# base api, e.g., '/prod'
+VUE_APP_BASE_API = ''
+