Update TEPs table and TEP-83 headers

Author: hacker-volodya

README.md

@@ -24,4 +24,5 @@ Proposal management is done using GitHub pull requests, the process is described
 |  [66](./text/0066-nft-royalty-standard.md) |   NFTRoyalty Standard Extension  |Contract Interface| 12.02.2022|
 |    [74](./text/0074-jettons-standard.md)   |Fungible tokens (Jettons) standard|Contract Interface| 12.03.2022|
 |      [81](./text/0081-dns-standard.md)     |         TON DNS Standard         |Contract Interface| 25.06.2022|
+|      [83](./text/0083-sbt-standard.md)     |           SBT Contract           |Contract Interface| 09.08.2022|
 |[89](./text/0089-jetton-wallet-discovery.md)|   Discoverable Jettons Wallets   |Contract Interface|08.09.2022 |

text/0083-sbt-standard.md

@@ -1,9 +1,11 @@
-- **TEP**: [0](https://github.com/ton-blockchain/TEPs/pull/0)
+- **TEP**: [83](https://github.com/ton-blockchain/TEPs/pull/83)
 - **title**: SBT Contract
-- **status**: Draft
+- **status**: Active
 - **type**: Contract Interface
 - **authors**: [Oleg Baranov](https://github.com/xssnick), [Narek Abovyan](https://github.com/Naltox), [Kirill Emelyanenko](https://github.com/EmelyanenkoK), [Oleg Andreev](https://github.com/oleganza)
 - **created**: 09.08.2022
+- **replaces**: -
+- **replaced by**: -
 
 # Summary