Update Editorial Style Guide: DRep vs dRep (#1325)

* Add suggestion and reasoning for writing DRep vs dRep

* Add hard fork

* Update docs/portal-style-guide.md

Co-authored-by: Robert Phair <rphair@cosd.com>

---------

Co-authored-by: Robert Phair <rphair@cosd.com>

docs/portal-style-guide.md

@@ -831,12 +831,14 @@ To make everything consistent we should agree on spellings and terms here.
 | `Basho`           | The fourth era of the Cardano development focused on performance. Named after Matsuo Basho, a Japanese poet and the master of haiku. |
 | `Byron`           | First era in Cardano development. Named after the Romantic poet who was the father of Ada Lovelace. |
 | `the Cardano Foundation`           | Always use **the** Cardano Foundation. |
-| `DApps` | Note the capitalization: Decentralized Application. |
+| `DApp` | Note the capitalization: Decentralized Application. |
 | `dcSpark` | Creators of Flint Wallet and Milkomeda. Capitalized S, everything else lower case. |
+| `DRep` | Note the capitalization: Delegated Representative. `DRep` as an abbreviation for Delegated Representative follows standard practices for abbreviations in English: taking the first letter of each word. This makes it intuitive and clear in most contexts. It is also in line with the `DApp` abbreviation. In crypto, the lowercase “d“ is often used to signify “decentralized,” as in dApp (decentralized application) or dGov (decentralized governance). Using “dRep” might imply “decentralized representative”.|
 | `EMURGO` | All caps in line with EMURGO’s branding. |
 | `the Foundation` | Interchangeable with `the Cardano Foundation`, the is not capitalized, but Foundation should be. |
 | `GitHub` | Note the capitalized H. |
 | `Goguen` | The third era of the Cardano development focused on smart contracts. Named in honour of Joseph Goguen, an US computer scientist. |
+| `hard fork` | Two words. |
 | `IOHK` | IOHK is now IOG. |
 | `IOG` | IOG was IOHK. |
 | `Mainnet`    | One word.  Capitalise when it's a noun (the _Mainnet_) but not when it's an adjective (_mainnet_ functionality), qualified by another proper name (the Cardano _mainnet_), or used as a symbol (e.g. enable Marlowe on `mainnet`). |