Adds definition for proof of stake: (#100)

resources/master_term_bank_en.csv

@@ -48,3 +48,4 @@ application/json,amm,"The term AMM is an acronym for automated market maker. AMM
 application/json,peer,"In the context of a network protocol like a blockchain (i.e. Bitcoin, Ethereum, etc...), a peer is a computer running the software of the given protocol. Peers participate in the upkeep and security of the network protocol and typically have a mechanism in place to keep each other in sync.",en,GLOSSETA-PROD,general
 application/json,proof of work,"Proof of work is a consensus mechanism used to uphold the security and integrity of a blockchain, most famously for the Bitcoin protocol. Proof of work sets peers in the network against each other in a game to see who can correctly solve a computationally intensive puzzle the quickest. The winning peer obtains the right to update the state of the network (i.e. write the next transaction in the ledger) and broadcast that update for the rest of the peers to validate for correctness. Once the work is proved to be correct, the peer receives (i.e. mines) a token from the protocol as a reward.",en,GLOSSETA-PROD,general
 application/json,beacon chain, "Beacon chain is an improvement to the Ethereum network introduced in the first stage of ETH2.0. The Beacon Chain introduces a Proof-of-Stake consensus mechanism to the network which allows ETH holders to stake their ETH and become validators in ETH2.0. This enables validators to validate and confirm transactions on the network. ",en,GLOSSETA-PROD,general
+application/json,proof of stake, "Proof of stake(PoS) is a consensus mechanism based on financial deposit (i.e. stake) of the native token of a given blockchain to uphold the security and integrity of that chain. Staking a specific amount of token makes one a validator for a given chain, whose responsibility it is to propose and vote on new state transitions (i.e. blocks). Validators are rewarded with the native token of the chain upon the submission of successful blocks; however, if a validator is deemed a bad actor, they are punished by losing their deposited token.",en,GLOSSETA-PROD,general

src/filter/termConfig.ts

@@ -51,5 +51,6 @@ export const termFilter = [
     "amm",
     "peer",
     "proof of work",
-    "beacon chain"
+    "beacon chain",
+    "proof of stake"
 ];