chore(cardano-node-follower): Crate API design (#33)

* chore: cardano-node-follower crate API design

* chore: allow Blue Oak license (need for minicbor crate)

* chore: drop node-to-client support and make rollback chain update return a block

* feat: Add chain follower config and builder

* chore: Remove chain follower crate example (hard to keep up to date)

* chore: Remove chain follower struct fields (implementation specific)

* feat: Add chain follower block fetch methods

* chore: Add fetch block and fetch block range examples

* chore: Fix lint and fmt

* chore: Add chain reader struct and refactor some methods

* chore: Add words to cspell project dictionary

* chore: fix fmt

* chore: Change read_block point type

* chore: Fix lint

* chore: Update rust CI version

.config/dictionaries/project.dic

@@ -5,6 +5,7 @@ asyncio
 auditability
 BROTLI
 cardano
+cbor
 CEST
 chrono
 ciphertext
@@ -21,10 +22,12 @@ drep
 dreps
 encryptor
 fontawesome
+fsgr
 genhtml
 gmtime
 ideascale
 Intellij
+iohk
 jetbrains
 jorm
 jormungandr
@@ -34,8 +37,10 @@ lcov
 Leshiy
 localizable
 mdlint
+miniprotocols
 mitigations
 moderations
+multiera
 nanos
 netkey
 oneshot