Create admin function to use copy-pasted users from ekey, return the ones which don't match to "Donau Linz" rowt user, Fixes #204 (#230)

Reviewed-on: #230

Cargo.lock

@@ -521,6 +521,27 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "csv"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac574ff4d437a7b5ad237ef331c17ccca63c46479e5b5453eb8e10bb99a759fe"
+dependencies = [
+ "csv-core",
+ "itoa",
+ "ryu",
+ "serde",
+]
+
+[[package]]
+name = "csv-core"
+version = "0.1.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5efa2b3d7902f4b634a20cae3c9c4e6209dc4779feb6863329607560143efa70"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "ctr"
 version = "0.9.2"
@@ -2195,6 +2216,7 @@ dependencies = [
  "argon2",
  "chrono",
  "chrono-tz",
+ "csv",
  "env_logger",
  "futures",
  "ics",