WIP: CI: add spellcheck (#3421)

* CI: add spellcheck

* revert me

* CI: explicit command for spellchecker

* spellcheck: edit misspells

* CI: run spellcheck on diff

* spellcheck: edits

* spellcheck: edit misspells

* spellcheck: add rules

* spellcheck: mv configs

* spellcheck: more edits

* spellcheck: chore

* spellcheck: one more thing

* spellcheck: and another one

* spellcheck: seems like it doesn't get to an end

* spellcheck: new words after rebase

* spellcheck: new words appearing out of nowhere

* chore

* review edits

* more review edits

* more edits

* wonky behavior

* wonky behavior 2

* wonky behavior 3

* change git behavior

* spellcheck: another bunch of new edits

* spellcheck: new words are koming out of nowhere

* CI: finding the master

* CI: fetching master implicitly

* CI: undebug

* new errors

* a bunch of new edits

* and some more

* Update node/core/approval-voting/src/approval_db/v1/mod.rs

Co-authored-by: Andronik Ordian <write@reusable.software>

* Update xcm/xcm-executor/src/assets.rs

Co-authored-by: Andronik Ordian <write@reusable.software>

* Apply suggestions from code review

Co-authored-by: Andronik Ordian <write@reusable.software>

* Suggestions from the code review

* CI: scan only changed files

Co-authored-by: Andronik Ordian <write@reusable.software>

polkadot/node/network/collator-protocol/src/collator_side/mod.rs

@@ -58,7 +58,7 @@ const COST_APPARENT_FLOOD: Rep = Rep::CostMinor("Message received when previous
 ///
 /// This is to protect from a single slow validator preventing collations from happening.
 ///
-/// With a collation size of 5Meg and bandwidth of 500Mbit/s (requirement for Kusama validators),
+/// With a collation size of 5MB and bandwidth of 500Mbit/s (requirement for Kusama validators),
 /// the transfer should be possible within 0.1 seconds. 400 milliseconds should therefore be
 /// plenty and should be low enough for later validators to still be able to finish on time.
 ///

polkadot/node/network/collator-protocol/src/collator_side/tests.rs

@@ -863,7 +863,7 @@ fn collators_reject_declare_messages() {
 ///
 /// After the first response is done, the passed in lambda will be called with the receiver for the
 /// next response and a sender for giving feedback on the response of the first transmission. After
-/// the lamda has passed it is assumed that the second response is sent, which is checked by this
+/// the lambda has passed it is assumed that the second response is sent, which is checked by this
 /// function.
 ///
 /// The lambda can trigger occasions on which the second response should be sent, like timeouts,

polkadot/node/network/collator-protocol/src/validator_side/mod.rs

@@ -71,7 +71,7 @@ const BENEFIT_NOTIFY_GOOD: Rep = Rep::BenefitMinor("A collator was noted good by
 ///
 /// This is to protect from a single slow collator preventing collations from happening.
 ///
-/// With a collation size of 5Meg and bandwidth of 500Mbit/s (requirement for Kusama validators),
+/// With a collation size of 5MB and bandwidth of 500Mbit/s (requirement for Kusama validators),
 /// the transfer should be possible within 0.1 seconds. 400 milliseconds should therefore be
 /// plenty, even with multiple heads and should be low enough for later collators to still be able
 /// to finish on time.
@@ -718,7 +718,7 @@ where
 }
 
 /// A peer's view has changed. A number of things should be done:
-///  - Ongoing collation requests have to be cancelled.
+///  - Ongoing collation requests have to be canceled.
 ///  - Advertisements by this peer that are no longer relevant have to be removed.
 async fn handle_peer_view_change(
 	state: &mut State,
@@ -738,7 +738,7 @@ async fn handle_peer_view_change(
 /// This function will
 ///  - Check for duplicate requests.
 ///  - Check if the requested collation is in our view.
-///  - Update PerRequest records with the `result` field if necessary.
+///  - Update `PerRequest` records with the `result` field if necessary.
 /// And as such invocations of this function may rely on that.
 async fn request_collation<Context>(
 	ctx: &mut Context,