fix excessive/missing blank lines

README.md

@@ -52,6 +52,7 @@ See [PR 49](https://github.com/seanmonstar/pretty-env-logger/pull/49) in the pre
 
 Config
 ------
+
 The config file uses the toml format.
 The expected fields are defined by the `ProgramConfig` struct in `./src/server_config.rs`.
 
@@ -81,7 +82,6 @@ The `starttls` options defines whether StartTLS should be used (default is true,
 The `ldap_user_dn` contains a pattern for the user dn for simple bind as well as search `%{username}` is replaced by the ldap-dn-escaped username.
 The `dap_user_filter` specifies a filter pattern for an ldap search, `%{username}` is replaced by the ldap-escaped username.
 
-
 `THIRDPARTY.toml`
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@@ -111,7 +111,6 @@ cargo-deny (installed separately): `cargo deny check`
 
 cargo-msrc (installed separately): `cargo msrv --verify`
 
-
 Cutting a Release
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