Add support for additional currencies, Gemini widget

[rebron]

Description

Add support for additional currencies in the Gemini widget. Full list of currencies to support:

Bitcoin (BTC), Ether (ETH), Litecoin (LTC), Bitcoin Cash (BCH), Zcash (ZEC), Filecoin (FIL)

ERC20's - 0x (ZRX), 1INCH (1INCH), Aave (AAVE), Amp (AMP), Bancor Network (BNT), Basic Attention (BAT), Balancer (BAL), Chainlink (LINK), Compound (COMP), Curve (CRV), Dai (DAI), Decentraland (MANA), Enjin (ENJ), The Graph (GRT), Kyber Network (KNC), Loopring (LRC), Maker (MKR), Orchid (OXT), Pax Gold (PAXG), Ren (REN), The Sandbox (SAND), Skale (SKL), Storj (STORJ), Synthetix (SNX), Uma (UMA), Uniswap (UNI), Yearn Finance (YFI)

Steps to Reproduce

1. Go to the New Tab page
2. OAuth/Connect to a Gemini account via the widget
3. View and trade currencies from the supported list above.

Actual result:

Expected result:

Reproduces how often:

Brave version (brave://version info)

Version/Channel Information:

• Can you reproduce this issue with the current release? yes
• Can you reproduce this issue with the beta channel? yes
• Can you reproduce this issue with the nightly channel? yes

Other Additional Information:

• Does the issue resolve itself when disabling Brave Shields? n/a
• Does the issue resolve itself when disabling Brave Rewards? n/a
• Is the issue reproducible on the latest version of Chrome? n/a

Miscellaneous Information:

[simonhong]

@rebron It looks like gemini widget uses its one icon style. Do we want to use current gemini icon style? Or use shared images with other widgets such as ftx?

[simonhong]

Working on this.

[srirambv]

Verification passed on

Brave	1.28.96 Chromium: 92.0.4515.115 (Official Build) beta (x86_64)
Revision	48cb2f4029b84b003719740a6cf9ca73f374a857-refs/branch-heads/4515_105@{#4}
OS	macOS Version 10.15.7 (Build 19H114)

• Verified additional currencies are listed as per issue description
• Verified additional currencies are listed in trading tab as well as deposit tab
• Verified QR code is generated for the new currencies in the list
• Verified able to copy the currencies address to clipboard using the copy button

List of available assets

```html

Bitcoin

Ethereum

Litecoin

Bitcoin Cash

Zcash

Filecoin

0x

1INCH

Aave

Amp

Bancor Network

Basic Attention

Balancer

Chainlink

Compound

Curve

Dai

Decentraland

Enjin

The Graph

Kyber Network

Loopring

Maker

Orchid

Pax Gold

Ren

The Sandbox

Skale

Storj

Synthetix

Uma

Uniswap

Yearn Finance

```

---

Verification passed on

Brave	1.28.96 Chromium: 92.0.4515.115 (Official Build) beta (64-bit)
Revision	48cb2f4029b84b003719740a6cf9ca73f374a857-refs/branch-heads/4515_105@{#4}
OS	Windows 10 OS Version 2009 (Build 19043.1110)

• Verified additional currencies are listed as per issue description
• Verified additional currencies are listed in trading tab as well as deposit tab
• Verified QR code is generated for the new currencies in the list
• Verified able to copy the currencies address to clipboard using the copy button

List of available assets

```html

Bitcoin

Ethereum

Litecoin

Bitcoin Cash

Zcash

Filecoin

0x

1INCH

Aave

Amp

Bancor Network

Basic Attention

Balancer

Chainlink

Compound

Curve

Dai

Decentraland

Enjin

The Graph

Kyber Network

Loopring

Maker

Orchid

Pax Gold

Ren

The Sandbox

Skale

Storj

Synthetix

Uma

Uniswap

Yearn Finance

```

---

Verification passed on

Brave	1.28.96 Chromium: 92.0.4515.115 (Official Build) beta (64-bit)
Revision	48cb2f4029b84b003719740a6cf9ca73f374a857-refs/branch-heads/4515_105@{#4}
OS	Linux

• Verified additional currencies are listed as per issue description
• Verified additional currencies are listed in trading tab as well as deposit tab
• Verified QR code is generated for the new currencies in the list
• Verified able to copy the currencies address to clipboard using the copy button

List of available assets

```html

Bitcoin

Ethereum

Litecoin

Bitcoin Cash

Zcash

Filecoin

0x

1INCH

Aave

Amp

Bancor Network

Basic Attention

Balancer

Chainlink

Compound

Curve

Dai

Decentraland

Enjin

The Graph

Kyber Network

Loopring

Maker

Orchid

Pax Gold

Ren

The Sandbox

Skale

Storj

Synthetix

Uma

Uniswap

Yearn Finance

```