style(tvldb): Add blank lines between items

This makes the code slightly more readable. For users that use editors
without semantic navigation, this also makes it easier to jump around
between items in the files.

I looked into whether a rustfmt setting exists for this, but
unfortunately the answer is currently no.

Change-Id: I37b19fa6ab038c71b924c45dbc12b298e660e8cf
Reviewed-on: https://cl.tvl.fyi/c/depot/+/827
Reviewed-by: BuildkiteCI
Reviewed-by: eta <eta@theta.eu.org>
Tested-by: BuildkiteCI

fun/tvldb/src/keyword.rs

@@ -8,6 +8,7 @@ pub struct KeywordDetails {
     pub keyword: Keyword,
     pub entries: Vec<Entry>,
 }
+
 impl KeywordDetails {
     pub fn learn(&mut self, nick: &str, text: &str, dbc: &PgConnection) -> Result<usize, Error> {
         let now = ::chrono::Utc::now().naive_utc();
@@ -27,6 +28,7 @@ impl KeywordDetails {
         self.entries.push(new);
         Ok(self.entries.len())
     }
+
     pub fn process_moves(&mut self, moves: &[(i32, i32)], dbc: &PgConnection) -> Result<(), Error> {
         for (oid, new_idx) in moves {
             {
@@ -39,6 +41,7 @@ impl KeywordDetails {
         self.entries = Self::get_entries(self.keyword.id, dbc)?;
         Ok(())
     }
+
     pub fn swap(&mut self, idx_a: usize, idx_b: usize, dbc: &PgConnection) -> Result<(), Error> {
         let mut moves = vec![];
         for ent in self.entries.iter() {
@@ -55,6 +58,7 @@ impl KeywordDetails {
         self.process_moves(&moves, dbc)?;
         Ok(())
     }
+
     pub fn update(&mut self, idx: usize, val: &str, dbc: &PgConnection) -> Result<(), Error> {
         let ent = self
             .entries
@@ -69,6 +73,7 @@ impl KeywordDetails {
         ent.text = val.to_string();
         Ok(())
     }
+
     pub fn delete(&mut self, idx: usize, dbc: &PgConnection) -> Result<(), Error> {
         // step 1: delete the element
         {
@@ -91,11 +96,13 @@ impl KeywordDetails {
         self.process_moves(&moves, dbc)?;
         Ok(())
     }
+
     pub fn add_zwsp_to_name(name: &str) -> Option<String> {
         let second_index = name.char_indices().nth(1).map(|(i, _)| i)?;
         let (start, end) = name.split_at(second_index);
         Some(format!("{}​{}", start, end))
     }
+
     pub fn format_entry(&self, idx: usize) -> Option<String> {
         if let Some(ent) = self.entries.get(idx.saturating_sub(1)) {
             let gen_clr = if self.keyword.chan == "*" {
@@ -118,6 +125,7 @@ impl KeywordDetails {
             None
         }
     }
+
     pub fn get_or_create(word: &str, c: &str, dbc: &PgConnection) -> Result<Self, Error> {
         if let Some(ret) = Self::get(word, c, dbc)? {
             Ok(ret)
@@ -125,6 +133,7 @@ impl KeywordDetails {
             Ok(Self::create(word, c, dbc)?)
         }
     }
+
     pub fn create(word: &str, c: &str, dbc: &PgConnection) -> Result<Self, Error> {
         let val = NewKeyword {
             name: word,
@@ -141,6 +150,7 @@ impl KeywordDetails {
             entries: vec![],
         })
     }
+
     fn get_entries(kid: i32, dbc: &PgConnection) -> Result<Vec<Entry>, Error> {
         let entries: Vec<Entry> = {
             use crate::schema::entries::dsl::*;
@@ -151,6 +161,7 @@ impl KeywordDetails {
         };
         Ok(entries)
     }
+
     pub fn get<'a, T: Into<Cow<'a, str>>>(
         word: T,
         c: &str,